* {
  list-style: none;
  margin: 0;
  padding: 0;
}

@font-face {
  font-family: 'webfont';
  font-display: swap;
  src: url('//at.alicdn.com/t/webfont_es0jxyv1ci.eot');
  /* IE9*/
  src: url('//at.alicdn.com/t/webfont_es0jxyv1ci.eot?#iefix') format('embedded-opentype'),
    /* IE6-IE8 */
    url('//at.alicdn.com/t/webfont_es0jxyv1ci.woff2') format('woff2'),
    url('//at.alicdn.com/t/webfont_es0jxyv1ci.woff') format('woff'),
    /* chrome、firefox */
    url('//at.alicdn.com/t/webfont_es0jxyv1ci.ttf') format('truetype'),
    /* chrome、firefox、opera、Safari, Android, iOS 4.2+*/
    url('//at.alicdn.com/t/webfont_es0jxyv1ci.svg#站酷小薇体') format('svg');
  /* iOS 4.1- */
}

body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

h1 {
  position: absolute;
  top: 40px;
  color: #fff;
  opacity: 0.5;
  text-shadow: 5px 5px 5px #ccc;
  font-family: "webfont" !important;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -webkit-text-stroke-width: 0.2px;
  -moz-osx-font-smoothing: grayscale;
}

.box {
  width: 200px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.li-list li {
  display: flex;
  justify-content: center;
  align-items: center;
}

.username,
.password {
  width: 150px;
  height: 35px;
  margin: 5px 0;
  padding-left: 5px;
  border: 1px solid #fff;
  border-radius: 5px;
  background-color: #1abc9c;
  color: #fff;
  text-align: center;
  outline: medium;
  font-size: 16px;
}

.login-btn {
  padding: 8px;
  border: none;
  width: 160px;
  margin: 5px 0;
  border-radius: 5px;
  background-color: #1abc9c;
  color: #fff;
  cursor: pointer;
  outline: medium;
}

.register {
  text-align: center;
  color: #1a2a3a;
  font-size: 14px;
}

.register a {
  font-size: 16px;
  color: #1a2a3a;
  text-decoration: none;
  cursor: pointer;
}

.box {
  position: relative;
  margin: 0 auto;
  padding: 1em;
  max-width: 23em;
  background: hsla(0, 0%, 100%, .15) border-box;
  overflow: hidden;
  border-radius: .3em;
  box-shadow: 0 0 0 1px hsla(0, 0%, 100%, .3) inset,
    0 .5em 1em rgba(0, 0, 0, 0.6);
  text-shadow: 0 1px 1px hsla(0, 0%, 100%, .3);
}

.box::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: -30px;
  z-index: -1;
  -webkit-filter: blur(20px);
  filter: blur(20px);
}

.bg-img {
  width: 100%;
  height: 100%;
  position: fixed;
  z-index: -1;
}